2010 Specialized Roubaix Expert Compact vs 2011 Specialized Allez Steel Double
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Allez Steel Double
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- −47 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −13 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Roubaix Expert Compact numbers we have for size 58 are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Roubaix Expert Compact 58 | Specialized Allez Steel Double 54 | Difference |
|---|---|---|---|
| Head tube angle | 72.5° | 72.5° | ±0.0° |
| Seat tube angle | 73° | 73.5° | +0.5° |
| Chainstay length | 418mm | 405mm | −13 mm |
| Wheelbase | 1029mm | 982mm | −47 mm |
| Standover | 824mm | 791mm | −33 mm |
| Seat tube length | 540mm | 560mm | +20 mm |
| Head tube length | 225mm | 122mm | −103 mm |
Differences are the Specialized Allez Steel Double minus the Specialized Roubaix Expert Compact. Full charts: 2010 Specialized Roubaix Expert Compact, 2011 Specialized Allez Steel Double.
Where each sits in its class
Specialized Roubaix Expert CompactSpecialized Allez Steel Double
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Roubaix Expert CompactExpert Compact | Specialized Allez Steel DoubleSteel Double |
|---|---|---|
| Frame | Specialized Roubaix FACT | Reynolds 520 |
| Shifter | Shimano Ultegra | Shimano R400 |
| Derailleur | Shimano Ultegra | Shimano 2300 |
| Cassette | Shimano Ultegra | Shimano HG50 |
| Chain | Shimano Ultegra | KMC Z51 |
| Crankset | Shimano Ultegra | Shimano 2300 |
| Wheelset | Roval Fusee EL | not listed |
| Tire | Specialized Roubaix Pro II | Specialized All Condition Sport |
| Brake | Shimano Ultegra | not listed |
| Stem | Specialized Pro-Set | Specialized Elite-Set |
| Saddle | Specialized Avatar | Specialized Riva |
| Fork | not listed | Specialized Allez |
| Rim | not listed | Mavic CXP22 |
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